10 20 30 40 50 60 GUGUUGCUGAUUACUGGCA C --| U CU GUGUGGU GGU GU GC GCUGUAAACAUC UGACUGGAAGCU \ CCG CG UG CGACGUUUGUAG ACUGACUUUCGG G CCCAAAGUGACUACGUUUG U GU^ U -- GAGUUCA 120 110 100 90 80 70